For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningDriver Seat Frame Replacement
Removal Procedure
Remove front seat cushion cover (1) and pad (2) from frame (3). Refer to
Front Seat Cushion Cover and Pad Replacement
Remove the wire harness (1), if equipped.
Remove front seat back cushion cover (1) and pad (2) from frame (3).
Refer to Driver or ...
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise, commonly referred
to as spark knock, might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible.
If hea ...
Operation
Controls
The infotainment system is operated by using the pushbuttons, multifunction knobs,
menus shown on the display, and steering wheel controls, if equipped.
Turning the System On or Off
(Volume/Power): Press to turn the
system on and off.
Automatic Switch-Off
If the infotainment syste ...